OBIEE 11.1.1.9 went GA yesterday and is available for download on OTN here.

Oracle Documentation for 11.1.1.9 is here.

And most importantly the 2 “New Features Guides” in detail:
https://docs.oracle.com/middleware/11119/biee/BIEMG/whatsnew.htm#BIEMG4571
https://docs.oracle.com/middleware/11119/biee/BIESG/whatsnew.htm#BIESG9158

Enjoy!